A Tower of Babel built from processed ham? Brigadoon made from porridge oats? We feel a bit queasy. Thankfully Gayle Chong Kwan photographs or videos of her fanciful smorgasbords so visitors are not subjected to the real thing. Her premise is to do with the food trade and its damaging effects on the environment. Chong Kwan now turns her attention to the tourist industry, goading vegetables to do their worst, resulting in shadowy images of a place I hope never to visit.